This book is a compilation of material from different other books for INS/MV, most of which were already unavailable at the time Scriptarum Veritas was published.

The first part of the book contains data for all the known Archangels, Demon Princes (catholic as well as muslim) a,d viking gods using the Daemonis Compendium format: a short story, avatar stats, special powers, philosophy, summoning components, sometimes an extra bit of trivia.

The second part of the book contains the complete rules for vikings, voodoo, sorcerers, islam, holy buildings, and chapters about the Army of God, the infernal hierarchy, children of supernatural beings and humans, and "life" after death.